Acta Scientific Agriculture

Research Article Volume 2 Issue 9

Response of Carnation to Potassium Fertilizer Sources and Levels Under Polyhouse Conditions

Manikandan A1* and Rachana Deshmukh2

1Scientist, ICAR-Central Institute for Cotton Research, College of Agriculture, Pune, India
2Technical Assistant, ICAR-Central Institute for Cotton Research, College of Agriculture, Pune, India

*Corresponding Author: Manikandan A, Scientist, ICAR-Central Institute for Cotton Research, College of Agriculture, Pune, India.

Received: July 10, 2018; Published: August 21, 2018

Citation: S Gyawali., et al. ““Genetic Variability and Association Analysis in Different Rice Genotypes in Mid-Hill of Western Nepal". Acta Scientific Agriculture 2.9 (2018).


  Potassium (K) is quality element for cut flowers. To find out K fertilizer source and level suitable for carnation variety ‘kiro’ as well as to study growth, flowering and economics. The experiment was laid out in factorial randomized block design (FRBD) with 12 treatments (3 sources and 4 levels) and 3 replications under polyhouse condition at College of Agriculture, Pune. The sources of K were: S1 -KCl, S2 -K2 SO4 and S3 - KNO3 while the levels were: L1-75,225; L2-100,250; L3-125,275 and L4-150,300 mg K2 O per plant during vegetative (D1) and flowering (D2) period, respectively. Significantly higher growth influenced by KCl (S1), as compared to KNO3 (S3 ) and K2 SO4 (S2). However, flower yield, quality, vase life and B: C ratios were higher for K2 SO4 (S2 ) than KCl (S1 ) and KNO3 (S3 ). Between interactions maximum laterals in S1 L3 and least recorded at S3L4. Fifty percent flowering were observed in S1L4 interactions. Higher revenue, net profit and B: C ratio was obtained in S2 L2 . Higher efficiency of K2 SO4 associated with the lower level of application revealed the tendency of carnation to take up as much nutrients (potassium and sulphur) as possible without exceeding the limits under limited supply. The results revealed that the K2 SO4 (S2 ) @ 100 mg K2 O per plant during vegetative growth (D1 ) and @ 250 mg K2 O per plant after flowering (D2 ) along with N and P is superior over KCl (S1 ) and KNO3 (S3 ) for carnation.

Keywords: Potassium Fertilizers; Carnation; Growth; Yield; Quality; Economics

Copyright: © 2018 Manikandan A and Rachana Deshmukh. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


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